public string GetJsonValue(JEnumerable<JToken> jToken,string key){IEnumerator enumerator = jToken.GetEnumerator();while (enumerator.MoveNext()){JToken jc = (JToken)enumerator.Current;if (jc is JObject||((JProperty)jc).Value is JObject){return GetJsonValue(jc.Children(), key);}else{if (((JProperty)jc).Name == key){return ((JProperty)jc).Value.ToString();}}}return null;}string jsonData = "{\"name\":\"lily\",\"age\":23,\"addr\":{\"city\":\"guangzhou\",\"province\":\"guangdong\"}}";JObject jsonObj = JObject.Parse(jsonData);Response.Write(GetJsonValue(jsonObj.Children(), "province"));string jsonData = "{\"addr\":[{\"city\":\"guangzhou\",\"province\":\"guangdong\"},{\"city\":\"guiyang\",\"province\":\"guizhou\"}]}";JObject jsonObj = JObject.Parse(jsonData);JArray jar = JArray.Parse(jsonObj["addr"].ToString());JObject j = JObject.Parse(jar[0].ToString());Response.Write(j["city"]);原文：http://www.cnblogs.com/sjqq/p/6362781.html